A student weighs out ten thousands grams of magnesium, Ask an Expert

Academics

A student weighs out ten thousands grams of magnesium sulphate from a bottlethe sample was 5.720 g . after heating, the chemical reaction that occurs upon heat a hydrate is MgSO₄ 7H₂O? determine how much H₂O in grams was actually removed from heating?

Determine How many moles each are in 1.30L of the saline solution if a physiological saline solution contains 174mEq/L each of Na+ and Cl^-.

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9741817

Have any Question?Write your Review or question?

Related Questions in Chemistry

An 18g ice cube initially at -10c is dropped into 120 g of

An 18g ice cube initially at -10C is dropped into 120 g of water initially at 25C. What is the final temperature of the system after all of the ice has melted? Use the data provided in the reference data sheet and assume ...

A chemist must dilute 374 ml of 808 mum aqueous mercuryi

A chemist must dilute 37.4 mL of 8.08 μM aqueous mercury(I) chloride (Hg2Cl2) solution until the concentration falls to 2.00 μM. He'll do this by adding distilled water to the solution until it reaches a certain final vo ...

When 356 g of an unknown hydrocarbon was dissolved in 125 g

When 3.56 g of an unknown hydrocarbon was dissolved in 125 g of benzene, the freezing pointof the solution was found to be 4.41oC. Analysis of thehydrocarbon showed that it contained 93.71% carbon (by mass) and6.29% hydr ...

The solubility of silver sulfate ag2so4 inwater has been

The solubility of silver sulfate, Ag2SO4, inwater has been determined to be 8.0 g/L. What is the solubility in0.37 M sodium sulfate,Na2SO4?

What are the symbol and name of the element whose average

What are the symbol and name of the element whose average atoms have a mass very nearly half the mass of an average silicon atom?

A sample of gas in a cylinder has an initial volume of 560

A sample of gas in a cylinder has an initial volume of 56.0 L , and you have determined that it contains1.60 moles of gas. The next day you notice that some of the gas hasleaked out. The pressure and temperature remain t ...

Do you notice any trends or can you make any

Do you notice any trends or can you make any generalizations about where certain types of liquids fall on the pH scale?

The molecular weight of an unknown gas was measured by an

The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?

A sealed vessel contains a gaseous mixture of h2 and excess

A sealed vessel contains a gaseous mixture of H2 and excess O2. The mixture is at 500 K and has a total pressure of 140 kPa. After all of the hydrogen is reacted, the total pressure of the system measured at the same tem ...

What mass of solid naoh 970 naoh by mass is required to

What mass of solid NaOH (97.0% NaOH by mass) is required to prepare 1.00 L of a 10.0% solution of NaOH by mass? The density of the 10.0% solution is 1.109 g/mL.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert